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Gnom [1K]
3 years ago
14

Explain how to use a number line to show that opposite quantities combine to make zero.

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
8 0

Yes your answer is correct.

Anna71 [15]3 years ago
5 0
On the left side of the 0 put negative number starting with a -4 and and once you get to the 0 put 1 2 3 4
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Choose the correct compound inequality for the graph below
olya-2409 [2.1K]

Answer:

The first one is the correct one

5 0
2 years ago
Evaluate 7y - 2<br> when y = 9
kotykmax [81]

Answer:

The answer is 61.

Step-by-step explanation:

7(9)-2

63-2

61

5 0
3 years ago
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Sixteen is 64% of what number?<br><br> A.12<br> B.25<br> C.32<br> D.48
Basile [38]
B. 25

16 divided by 0.64 (the percentage as a decimal) = 25
3 0
2 years ago
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David bought a 20 ounce bottle of soda. How many quarts of soda are in the bottle?
Debora [2.8K]

Answer:

The answer is B. 5/8 quarts

Step-by-step explanation:

1 ounce is equal to .03125 quarts so to find the amount of quarts, you multiply 20 times .03125 to get .625 or 5/8.

7 0
3 years ago
Una torre de 28.2 m de altura esta situada a la orilla de un rio, desde lo alto del edificio el ángulo de depresión a la orilla
Svet_ta [14]

Answer:

El ancho del río es 59.9 metros.

Step-by-step explanation:

El ancho del río lo podemos calcular con la siguiente relación trigonométrica asumiendo que la torre forma un triángulo rectángulo con el río:

tan(\theta) = \frac{CO}{CA}

En donde:

CA: es el cateto adyacente = Altura de la torre = 28.2 m

CO: es el cateto opuesto = ancho del río =?

θ: es el ángulo adyacente a CA

Dado que el ángulo de depresión (25.2°) está ubicado fuera de la parte superior de la hipotenusa del triángulo que forma la torre con la orilla opuesta del río, debemos calcular el ángulo interno (θ) como sigue:

\theta = (90 - 25.2)^{\circ} = 64.8 ^{\circ}

Ahora, el ancho del río es:

CO = tan(\alpha)*CA = tan(64.8)*28.2 = 59.9 m

Por lo tanto, el ancho del río es 59.9 metros.

Espero que te sea de utilidad!                  

4 0
2 years ago
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